How to check if Plesk license contains Power Pack?
Power Pack is an additional option (add-on) for the Plesk license. To check if Plesk license contains Power Pack, log in on the server and run the following command:
[root@server ~]# grep 'PowerPack' /etc/sw/keys/keys/key*
Also, this can be checked in License Management under Tools & Settings > License Management > Additional License Keys.
Alternatively, contact Licensing and Purchase Support to check if Power Pack is added to a Plesk license.